# CVE-2023-53164: irqchip/ti-sci: Fix refcount leak in ti\_sci\_intr\_irq\_domain\_probe

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-09-15 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.2

## Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/ti-sci: Fix refcount leak in ti_sci_intr_irq_domain_probe of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
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## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/07fceab32096c1290b491f2fcaace03f78e2db37
- https://git.kernel.org/stable/c/df8d3536b660c6c6f6b25fa8b157e9b38ad78142
- https://git.kernel.org/stable/c/856fc2195494d1175ada0f1f46f92c5b28ce12eb
- https://git.kernel.org/stable/c/a0d91a48e1a020fb636f0fcaf44672f123bb0799
- https://git.kernel.org/stable/c/4ae40c20f1519e1767ba01609abc7e8d6485fc0c
- https://git.kernel.org/stable/c/02298b7bae12936ca313975b02e7f98b06670d37

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JSON: https://cve.now/api/v1/entries/CVE-2023-53164
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